AMPHILIUS.— PAEAMPHILIUS. 363 



diameter greater than interorbital width ; posterior nosti'il midway 

 between eye and end of snout ; maxillary barbel about § length of head, 

 outer mandibular f . Dorsal I 7, much nearer end of snout than root of 

 caudal. Adipose dorsal low, about 1^ times as long as rayed dorsal, 

 nearly as long as its distance from latter. Anal II 7. Pectoral § length 

 of head. Ventral a little shorter than pectoral, below posterior half of 

 dorsal. Caudal with crescentic notch. Caudal peduncle more than 

 twice as long as deep. Olive above, with 4 or 5 blackish bars, the last 

 at base of caudal. 



Total length 45 millim. 



Ubanghi. — Types in Congo Museum, Tervueren. 

 1-2. Types. Banzyville. Capt. Royaux (0.). 



21. PARAMPHILIUS. 



Pellegr. Bull. Mus. Paris, 1907, p. 23. 



Closely related to the preceding. Distinguished by the position of 

 the posterior nostril, which is close to the eye, and by the confluence 

 of the adipose dorsal fin with the caudal. 



A single species. 



1. PARAMPHILIUS TRICHOMYCTEROIDES. 

 Pellegr. t. c. p. 24. 



Depth of body 7 times in total length, length of head 5 times. 

 Head longer than broad ; snout semicircular ; eye very small, at the 

 second third of the length of the head ; anterior nostril midway between 

 eye and end of snout ; interorbital width ^ length of head ; maxillary 

 and outer mandibular barbels a little longer than head, inner mandibular 

 a little shorter. Dorsal I 6, equally distant from end of snout and from 

 root of caudal. Adipose dorsal long and low. Anal III 9. Pectoral 

 f length of head. Ventral slightly shorter than pectoral, below anterior 

 rays of dorsal. Caudal truncate. Caudal peduncle a little longer than 

 deep. Uniform olive above, yellowish beneath. 



Total length 56 millim. 



Ditinn, Upper Senegal, 3200 feet. — Type in Paris Museum. 



